| 4LND: reference: Structure of human apurinic/apyrimidinic endonuclease 1 with the essential Mg(2+) cofactor., Manvilla BA, Pozharski E, Toth EA, Drohat AC, Acta Crystallogr D Biol Crystallogr. 2013 Dec;69(Pt 12):2555-62. doi:, 10.1107/S0907444913027042. Epub 2013 Nov 19. PMID: 24311596 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).